Three "turns" of the Calvin cycle generate a "surplus" molecule of glyceraldehyde 3-phosphate (G3P). Which of the following is a consequence of this?
A) Formation of a molecule of glucose would require nine "turns."
B) G3P more readily forms sucrose and other disaccharides than it does monosaccharides.
C) Some plants would not taste sweet to us.
D) The formation of sucrose and starch in plants involves assembling G3P molecules, with or without further rearrangements.
E) Plants accumulate and store G3P.
Ans: D) The formation of sucrose and starch in plants involves assembling G3P molecules, with or without further rearrangements.
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Probiotics are foods, like yogurt, or dietary supplements that contain living bacteria. Why would someone want to knowingly consume bacteria?
A. to populate their gut with "good" bacteria B. to reduce the ability of pathogens to populate the gut C. to reduce or eliminate gastrointestinal problems D. All of the answer options are correct.
Your friend has a dog Rex that she feeds every night immediately after she gets up from the dinner table. You are dog-sitting one weekend and you decide to keep Rex at your house rather than leave him alone in hers. After you eat dinner and get up to clear the table, Rex starts salivating profusely and runs to his food bowl. Rex's behavior is an example of
A. an automatic reflex. B. a conditioned response. C. an irrelevant response. D. the anticipatory response. E. permanent conditioning.
Which of these fatty acids is most likely to be a liquid at room temperature?
a. stearic acid
b. trans oleic acid
c. cis oleic acid
d. both oleic acids
In aquatic ecosystems, primary productivity is most dependent on
A) species richness and diversity B) the type of soil C) the rate of photosynthesis D) organic nutrients E) inorganic nutrients